Re: inertial forces (definition)

[Joel Rauber <Joel_Rauber@SDSTATE.EDU>]

Does GR really explain this fact?  I'm rather under the impression that it
takes it as an ansatz of the theory.  It certainly does so in a natural way
by making the theory a geometric theory, but . . .

Joel

> Newton definitely noted the different concepts of
> gravitational "charge"
> and intertial mass, noted that they were strictly
> proportional (and thus
> could be made equal by a suitable choice of the number "G"),
> and had no
> explanation for this surprising fact. The explanation is not provided
> until General Relativity.
>
> J. Epstein